Whatcom County climate

Whatcom County Weather in January

NOAA 1991-2020 normals for Upper Baker Dam, 23.7 km from Whatcom County

Average highs run from 36°F on January 1 to 40°F on January 31, and lows from 29°F to 29°F. Normal precipitation for the month is 15.31 in over about 21 wet days.

January day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Whatcom County, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
38°F
Average low
29°F
Precipitation
15.31 in
Snowfall
13.1 in
Record high
69°FJan 29, 2024
Record low
-2°FJan 25, 1950
Chance of a freeze
100%
Daylight
8 h 21 min to 9 h 25 min
Cloud cover
71%
Humidity
95%
Dew point
28°F
Wind
4.3 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Jan 136°F29°F57°F 20218°F 202269%16%
Jan 236°F29°F59°F 20124°F 195069%16%
Jan 336°F29°F61°F 20206°F 195069%16%
Jan 437°F29°F60°F 20125°F 195069%16%
Jan 537°F29°F61°F 20062°F 198269%15%
Jan 637°F29°F58°F 20021°F 198269%15%
Jan 737°F29°F62°F 198613°F 197968%15%
Jan 837°F29°F59°F 198614°F 197968%15%
Jan 937°F29°F61°F 198616°F 194968%15%
Jan 1037°F29°F63°F 198612°F 198068%14%
Jan 1137°F29°F65°F 20109°F 202468%14%
Jan 1237°F29°F60°F 20213°F 202468%14%
Jan 1337°F29°F64°F 19687°F 202468%14%
Jan 1438°F29°F62°F 196810°F 200767%14%
Jan 1538°F29°F58°F 19749°F 195067%14%
Jan 1638°F29°F58°F 19589°F 195067%13%
Jan 1738°F29°F62°F 20187°F 195067%13%
Jan 1838°F29°F58°F 20054°F 195067%13%
Jan 1938°F29°F63°F 200511°F 195466%13%
Jan 2038°F29°F61°F 198113°F 195466%13%
Jan 2139°F29°F64°F 198113°F 195766%12%
Jan 2239°F29°F65°F 198111°F 196966%12%
Jan 2339°F29°F60°F 20059°F 196966%12%
Jan 2439°F29°F56°F 20154°F 195066%12%
Jan 2539°F29°F59°F 2015-2°F 195065%12%
Jan 2639°F29°F60°F 201510°F 195765%12%
Jan 2739°F29°F61°F 20168°F 195765%12%
Jan 2840°F29°F62°F 20244°F 195065%12%
Jan 2940°F29°F69°F 2024-2°F 195065%12%
Jan 3040°F29°F60°F 19929°F 195064%11%
Jan 3140°F29°F60°F 19920°F 195064%11%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Whatcom County, in percent, and of at least 0.1 inch of snowfall.0204060801102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PST).

January 1
sunrise 8:01 AM, sunset 4:22 PM
January 31
sunrise 7:39 AM, sunset 5:04 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00458715 (Upper Baker Dam), public domain. Records: NOAA GHCN-Daily, station USW00024217, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.